Source code for sardana.pool.poolonedexpchannel

#!/usr/bin/env python

##############################################################################
##
## This file is part of Sardana
##
## http://www.tango-controls.org/static/sardana/latest/doc/html/index.html
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
## 
## Sardana is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
## 
## Sardana is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU Lesser General Public License for more details.
## 
## You should have received a copy of the GNU Lesser General Public License
## along with Sardana.  If not, see <http://www.gnu.org/licenses/>.
##
##############################################################################

"""This module is part of the Python Pool library. It defines the base classes
for OneDExpChannel"""

__all__ = [ "Pool1DExpChannel" ]

__docformat__ = 'restructuredtext'

from sardana import ElementType
from sardana.sardanaevent import EventType

from .poolbasechannel import PoolBaseChannel


[docs]class Pool1DExpChannel(PoolBaseChannel): def __init__(self, **kwargs): self._data_source = None kwargs['elem_type'] = ElementType.OneDExpChannel PoolBaseChannel.__init__(self, **kwargs) # -------------------------------------------------------------------------- # data source # --------------------------------------------------------------------------
[docs] def get_data_source(self, cache=True, propagate=1): if not cache or self._data_source is None: data_source = self.read_data_source() self._set_data_source(data_source, propagate=propagate) return self._data_source
def _set_data_source(self, data_source, propagate=1): self._data_source = data_source if not propagate: return self.fire_event(EventType("data_source", priority=propagate), data_source)
[docs] def read_data_source(self): data_source = self.controller.get_axis_par(self.axis, "data_source") return data_source
data_source = property(get_data_source, doc="source identifier for the 1D data")